By: aathishankaran Emailed: 1729 times Printed: 2338 times
Embedding java codes in jsp sciptlets
We can embed the java codes inside the jsp sciptlets. We can use the java variables like request, response, and session variable etc. by using the java variables we can create the dynamic WebPages through this we can get inputs and process such inputs and give the outputs
Syntax of JSP Scriptles are:
Scriptlets begins with <% and ends %> .We can embed any amount of java
code in the JSP Scriptlets. JSP Engine places these code in the _jspService()
method. Variables available to the JSP Scriptlets are:
request represents the clients request and is a subclass of HttpServletRequest. Use this variable to retrieve the data submitted along the request.
response is subclass of HttpServletResponse.
session represents the HTTP session object associated with the request.
out is an object of output stream and is used to send any output to the client.
Other variable available to the scriptlets are pageContext, application,config and exception.
java expression can be expressed as follows
of JSP Expressions are:
<%= … %>
Expressions start with
of JSP Scriptles are with <%= and ends with %>. Between these this
you can put anything and that will convert to the String and that will be
<%="Hello World!" %>
code will display 'Hello World!'.
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